Home / 112,178.84-168,218.96-42,008.94

Finding the Fourth Proportional to 112,178.84, 168,218.96 and 42,008.94

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Solution

The fourth proportional to 112,178.84, 168,218.96 and 42,008.94 is: 62,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.84 : 168,218.96 = 42,008.94 : x
  2. Step 2: Convert to fraction form
    112,178.84/168,218.96 = 42,008.94/x
  3. Step 3: Cross multiply
    112,178.84x = 168,218.96 × 42,008.94
  4. Step 4: Simplify right side
    112,178.84x = 7,066,700,197.50
  5. Step 5: Solve for x
    x = 7,066,700,197.50/112,178.84
  6. Step 6: Final answer
    x = 62,994.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.